47P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2021-11-25 (JD 2459543.5)
Eccentricity (e)0.3185235457 ± 3.65e-08
Semi-major axis (a)4.1234900975 AU ± 1.47e-08
Inclination (i)13.04065389° ± 4.86e-06
Long. of Asc. Node (Ω)356.92063492° ± 1.30e-05
Arg. of Perihelion (ω)357.65769469° ± 1.40e-05
Mean Anomaly (M)191.48350287° ± 4.54e-06
Mean Motion (n)0.1177104018°/day ± 6.27e-10
Perihelion dist (q)2.81006141 AU ± 1.51e-07
Aphelion dist (Q)5.43691878 AU ± 1.52e-07
Orbital Period8.37331509 yr ± 4.46e-08
NGA Modelg(r)
A11.16422068e-09 ± 1.53e-10 AU/d²
A2-4.95661912e-11 ± 2.24e-12 AU/d²
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.775″
Uncertainty0
Orbit TypeMBA
MOID1.803149 AU
Observations Used3913
Oppositions69
Arc Total1948-2026
First Observation Used1948-10-07
Last Observation Used2026-01-21
Observations (4145)
Date Type RA Dec Mag Band Observatory
1972-01-21 04:59:59 A 03 34 27.31 +34 34 39.0 693
1972-02-10 05:03:05 A 03 44 49.50 +33 50 17.5 695
1972-02-17 02:50:00 A 03 50 15.19 +33 41 27.1 693
1972-02-17 03:56:59 A 03 50 17.48 +33 41 24.2 693
1977-04-28 07:49:48 A 16 19 03.74 -35 42 27.4 821
1977-04-28 08:51:46 A 16 19 02.05 -35 42 31.7 821
1977-05-26 14:40:01 A 15 55 47.91 -36 04 58.3 323
1977-09-11 12:19:29 A 15 54 54.52 -32 28 07.0 323
1977-09-13 12:47:00 A 15 57 05.71 -32 28 54.5 323
1977-10-13 12:35:09 A 16 36 17.51 -32 51 41.4 323
1978-04-05 09:41:33 A 22 08 11.61 -20 25 33.1 809
1978-04-05 09:50:31 A 22 08 12.20 -20 25 30.0 809
1978-04-05 09:59:30 A 22 08 13.05 -20 25 26.4 809
1978-04-06 09:39:06 A 22 09 59.74 -20 15 29.3 809
1978-04-06 09:52:05 A 22 10 00.89 -20 15 23.3 809
1978-04-06 09:58:33 A 22 10 01.24 -20 15 19.1 809
1978-04-07 09:36:41 A 22 11 47.62 -20 05 19.3 809
1978-04-07 09:46:40 A 22 11 48.34 -20 05 14.8 809
1978-04-07 09:56:38 A 22 11 49.05 -20 05 09.9 809
1978-04-09 09:32:49 A 22 15 22.40 -19 44 52.2 809
1978-04-09 09:44:47 A 22 15 23.25 -19 44 49.6 809
1978-04-09 09:56:45 A 22 15 24.08 -19 44 44.8 809
1978-04-10 09:06:56 A 22 17 07.45 -19 34 48.5 809
1978-04-10 09:37:51 A 22 17 09.78 -19 34 36.7 809
1978-04-10 09:59:47 A 22 17 11.30 -19 34 27.6 809
1978-04-11 09:03:00 A 22 18 53.87 -19 24 33.0 809
1978-04-11 09:30:56 A 22 18 55.77 -19 24 22.0 809
1978-04-11 09:55:52 A 22 18 57.70 -19 24 11.1 809
1978-04-12 09:12:02 A 22 20 40.78 -19 14 10.0 809
1978-04-12 09:36:58 A 22 20 42.55 -19 13 58.2 809
1978-04-12 09:52:56 A 22 20 43.81 -19 13 52.4 809
1978-04-13 09:40:01 A 22 22 28.67 -19 03 37.2 809
1978-04-13 09:47:59 A 22 22 29.33 -19 03 33.2 809
1978-04-13 09:55:58 A 22 22 29.99 -19 03 29.6 809
1978-04-14 09:10:09 A 22 24 12.29 -18 53 27.6 809
1978-04-14 09:40:04 A 22 24 14.33 -18 53 14.2 809
1978-04-14 09:56:02 A 22 24 15.54 -18 53 08.1 809
1978-04-19 09:31:23 A 22 32 56.40 -18 01 09.1 809
1978-04-19 09:43:21 A 22 32 57.17 -18 01 03.0 809
1978-04-19 09:55:26 A 22 32 58.05 -18 01 00.1 809
1978-04-20 09:10:30 A 22 34 38.38 -17 50 46.9 809
1978-04-20 09:35:26 A 22 34 40.22 -17 50 35.9 809
1978-04-20 09:47:24 A 22 34 41.22 -17 50 31.3 809
1978-04-20 21:17:45 A 22 35 30.58 -17 45 27.2 323
1978-04-21 21:26:23 A 22 37 13.97 -17 34 54.8 323
1978-04-22 08:58:38 A 22 38 03.41 -17 29 50.2 809
1978-04-22 09:04:37 A 22 38 03.84 -17 29 47.6 809
1978-04-22 09:10:36 A 22 38 04.23 -17 29 44.4 809
1978-04-24 08:51:46 A 22 41 27.20 -17 08 46.0 809
1978-04-24 09:17:42 A 22 41 29.08 -17 08 34.4 809